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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1954 | 2 |
| 1955 | 4 |
| 1956 | 7 |
| 1959 | 1 |
| 1960 | 1 |
| 1961 | 4 |
| 1962 | 5 |
| 1963 | 1 |
| 1964 | 3 |
| 1965 | 9 |
| 1966 | 12 |
| 1967 | 31 |
| 1968 | 33 |
| 1969 | 2 |
| 1970 | 1 |
| 1971 | 1 |
| 1972 | 2 |
| 1973 | 2 |
| 1974 | 3 |
| 1975 | 1 |
| 1976 | 3 |
| 1977 | 2 |
| 1981 | 2 |
| 1982 | 1 |
| 1983 | 7 |
| 1984 | 2 |
| 1986 | 6 |
| 1987 | 4 |
| 1988 | 9 |
| 1989 | 97 |
| 1990 | 267 |
| 1991 | 274 |
| 1992 | 284 |
| 1993 | 283 |
| 1994 | 329 |
| 1995 | 385 |
| 1996 | 347 |
| 1997 | 325 |
| 1998 | 446 |
| 1999 | 381 |
| 2000 | 466 |
| 2001 | 547 |
| 2002 | 678 |
| 2003 | 885 |
| 2004 | 1096 |
| 2005 | 1159 |
| 2006 | 1350 |
| 2007 | 1431 |
| 2008 | 1736 |
| 2009 | 2402 |
| 2010 | 2721 |
| 2011 | 3002 |
| 2012 | 2810 |
| 2013 | 3011 |
| 2014 | 2953 |
| 2015 | 2843 |
| 2016 | 2789 |
| 2017 | 2793 |
| 2018 | 2751 |
| 2019 | 2646 |
| 2020 | 2403 |
| 2021 | 2144 |
| 2022 | 1511 |
| 2023 | 1166 |
| 2024 | 328 |